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SM8131B Datasheet, PDF (20/21 Pages) Nippon Precision Circuits Inc – The SM8131B is a charge pump DC/DC converter that switches between 1 and 1.5 automatically. | |||
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SM8131B
ASSEMBLING PRECAUTION
Package corner metals are not IC I/O pins. Donât connect any lines to these corner metals.
Bottom view
FOOTPRINT PATTERN
The optimum footprint varies depending on the board material, soldering paste, soldering method, and equip-
ment accuracy, all of which need to be considered to meet design speciï¬cations.
(Unit: mm)
Package
HE
HD
e
b3
l1
l2
QFN-20
4.2
4.2
0.5
0.30 ± 0.05
0.20 ± 0.05
0.70 ± 0.05
b3
e
b3
l1 l2
e
HD
l2
l1
HD /2
NIPPON PRECISION CIRCUITS INC.â20
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